Fiona’s 14-year-old son Max was bright and gave enormous bear hugs. She lost him in an instant when his heart suddenly stopped

‘How can these seemingly healthy young hearts just stop?’: Fiona Connolly’s son Max died after collapsing on a basketball court in 2021 Photograph: Supplied

Fiona Connolly often reflects on the moment she saw her 14-year-old son, Max, collapsed on a Sydney basketball court, heart no longer beating.

She recalls the glow of the red and blue ambulance lights illuminating the faces of Max’s friends, watching silently.